Gargaliánoi climate — normals and trends

Q: What is the climate of Gargaliánoi?

Gargaliánoi has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 17.9 °C and it receives 737 mm of precipitation per year.

Q: What is the hottest day ever recorded in Gargaliánoi?

The hottest day measured in Gargaliánoi between 1940 and 2025 was 7 July 1988, reaching 42.4 °C.

Q: What is the coldest day in Gargaliánoi?

The coldest day measured in Gargaliánoi between 1940 and 2025 was 7 March 1987, at -3.8 °C.

Q: Does it snow in Gargaliánoi?

Yes. Gargaliánoi gets on average 1.1 cm of snow per year and has around 0 frost days.

Q: Has the climate of Gargaliánoi warmed?

Yes: Gargaliánoi warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

Q: What is the wettest day in Gargaliánoi?

The wettest day measured in Gargaliánoi between 1940 and 2025 was 24 November 2005, with 105 mm of rain in 24 hours.

Q: What was the windiest day in Gargaliánoi?

The windiest day measured in Gargaliánoi between 1940 and 2025 was 17 March 2003, with winds reaching 51.1 km/h.

Q: What is the warmest month in Gargaliánoi?

The warmest month in Gargaliánoi is August (26.5 °C on average); the coldest is January (10.5 °C).

Q: How much does it rain in Gargaliánoi?

Gargaliánoi receives on average 737 mm of precipitation per year, spread over about 93 rainy days.

Q: Is it sunny in Gargaliánoi?

Gargaliánoi gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.

Gargaliánoi (Greece) has a hot-summer mediterranean climate (Csa) under the Köppen-Geiger classification. Its mean annual temperature is 17.9 °C and it receives 737 mm of precipitation per year.

These figures are normals computed over 86 complete calendar years, from 1940 to 2025, using ERA5 reanalysis data from the Copernicus programme.

The warmest month is August (26.5 °C on average) and the coldest is January (10.5 °C). Rainfall peaks in December.

Gargaliánoi averages 0 frost days, 62 hot days (≥ 30 °C) and 93 rainy days per year.

Gargaliánoi has warmed by +1.1 °C between 1940 and 2025, or +0.12 °C per decade. This trend is statistically significant.

The hottest day of the period reached 42.4 °C (on 7 July 1988) and the coldest -3.8 °C (on 7 March 1987).

Data from ERA5 reanalysis (Copernicus Climate Change Service), redistributed under a CC-BY 4.0 licence. Normals are recomputed whenever the archive is updated.

Climate normals · ERA5

GargaliánoiPeloponnese

coords: 37.07°, 21.64°
period: 1940–2025 · 86 yrs

CsaHot-summer MediterraneanWarmest monthAugustColdest monthJanuaryWettest monthDecemberDriest monthJuly

Mean daily temperature

17.9°C

Average daily high

21.8°C

Average daily low

14.4°C

Annual rainfall

737mm

Sunshine / day

10.5h

Mean relative humidity

70%

Average peak wind

17.1km/h

Seasonal range

16.0°C

Frost days (< 0 °C)

0 d/yr

Hot days (≥ 30 °C)

62 d/yr

Rainy days (≥ 1 mm)

93 d/yr

Annual snowfall

1.1 cm

Average feels-like high

21.3 °C

Average feels-like low

13.6 °C

Average peak gust

36.9 km/h

Tropical nights (≥ 20 °C)

80 d/yr

Solar radiation

17.4 MJ/m²

Has the climate changed?

One stripe per year, 1940 to 2025

+1.1 °C

since 1940

+0.1 °C per decade · r² = 0.31 · p = < 0.001

19402025

Trend fitted by linear regression (ordinary least squares) on annual means. A trend is shown only when it is statistically significant (p < 0.05).

A climograph overlays rainfall (bars) and temperature (line): the standard reading in climatology, where you can see at a glance whether the warm season is also the dry one.

Records for the period

Hottest day

42.4 °C

7 July 1988

Coldest day

-3.8 °C

7 March 1987

Wettest day

105 mm

24 November 2005

Windiest day

51.1 km/h

17 March 2003

Strongest gust

107.6 km/h

28 February 1990

Hottest feels-like

44.7 °C

7 July 1988

Coldest feels-like

-7.7 °C

7 March 1987

Snowiest day

3.9 cm

18 December 1940

Sunniest day

14.3 h

18 June 2025

Year	Hottest day	Coldest day	Annual mean	Rainfall	Hot days	Frost days
2025	40.1 °C26 July 2025	4.7 °C22 February 2025	19.1 °C	856 mm	95	0
2024	40.1 °C19 July 2024	2.7 °C1 February 2024	19.7 °C	642 mm	93	0
2023	39.7 °C23 July 2023	1.6 °C8 February 2023	18.7 °C	630 mm	77	0
2022	37.0 °C24 July 2022	-1.2 °C26 January 2022	18.6 °C	529 mm	88	1
2021	41.4 °C3 August 2021	0.2 °C17 February 2021	18.6 °C	810 mm	75	0
2020	37.1 °C31 July 2020	0.8 °C9 January 2020	18.5 °C	544 mm	84	0
2019	37.8 °C10 August 2019	0.4 °C8 January 2019	18.6 °C	805 mm	88	0
2018	34.2 °C9 August 2018	3.6 °C27 December 2018	18.9 °C	694 mm	63	0
2017	38.1 °C1 July 2017	-0.1 °C9 January 2017	18.1 °C	664 mm	63	1
2016	35.1 °C22 June 2016	-0.3 °C31 December 2016	18.4 °C	642 mm	73	1
2015	36.4 °C22 July 2015	0.8 °C7 January 2015	18.1 °C	737 mm	75	0
2014	34.8 °C26 June 2014	3.1 °C31 December 2014	18.4 °C	699 mm	59	0
2013	36.2 °C4 August 2013	0.8 °C9 January 2013	18.7 °C	789 mm	77	0
2012	38.7 °C8 August 2012	1.4 °C31 January 2012	18.7 °C	636 mm	98	0
2011	36.0 °C21 August 2011	1.6 °C9 March 2011	18.0 °C	646 mm	74	0
2010	37.8 °C16 June 2010	3.0 °C12 December 2010	19.0 °C	601 mm	69	0
2009	36.6 °C25 July 2009	1.9 °C24 February 2009	18.5 °C	973 mm	69	0
2008	37.3 °C15 August 2008	-2.6 °C18 February 2008	18.6 °C	448 mm	79	1
2007	40.9 °C25 July 2007	1.8 °C6 February 2007	18.6 °C	496 mm	74	0
2006	38.8 °C21 August 2006	1.0 °C25 January 2006	17.8 °C	537 mm	68	0
2005	36.6 °C3 August 2005	1.5 °C11 February 2005	17.6 °C	850 mm	51	0
2004	36.3 °C10 July 2004	-2.3 °C14 February 2004	18.1 °C	547 mm	58	2
2003	37.5 °C19 August 2003	1.8 °C26 February 2003	18.4 °C	799 mm	85	0
2002	35.6 °C15 July 2002	-1.8 °C6 January 2002	17.8 °C	883 mm	48	1
2001	37.4 °C10 August 2001	1.1 °C19 December 2001	18.2 °C	730 mm	74	0
2000	38.3 °C5 July 2000	0.4 °C21 January 2000	17.8 °C	545 mm	61	0
1999	37.8 °C10 August 1999	3.3 °C24 January 1999	18.3 °C	826 mm	57	0
1998	38.9 °C4 August 1998	2.9 °C19 March 1998	18.1 °C	640 mm	71	0
1997	35.3 °C6 July 1997	1.5 °C28 January 1997	17.5 °C	542 mm	43	0
1996	35.1 °C8 July 1996	0.7 °C19 January 1996	17.3 °C	879 mm	49	0
1995	34.9 °C10 August 1995	2.1 °C23 November 1995	17.7 °C	656 mm	58	0
1994	38.6 °C12 August 1994	2.6 °C3 December 1994	18.5 °C	711 mm	97	0
1993	39.1 °C27 August 1993	1.5 °C7 January 1993	17.6 °C	505 mm	63	0
1992	35.3 °C8 July 1992	-0.3 °C2 January 1992	17.3 °C	445 mm	58	1
1991	35.8 °C2 October 1991	-2.3 °C3 February 1991	17.0 °C	622 mm	51	1
1990	34.3 °C23 July 1990	1.3 °C10 January 1990	18.0 °C	578 mm	66	0
1989	34.3 °C14 July 1989	0.3 °C4 January 1989	17.4 °C	348 mm	38	0
1988	42.4 °C7 July 1988	2.6 °C23 February 1988	18.0 °C	779 mm	75	0
1987	38.3 °C23 July 1987	-3.8 °C7 March 1987	17.6 °C	716 mm	72	3
1986	35.0 °C11 August 1986	3.9 °C27 December 1986	17.8 °C	827 mm	61	0
1985	36.3 °C31 July 1985	2.6 °C12 January 1985	18.0 °C	737 mm	59	0
1984	34.2 °C13 July 1984	4.4 °C9 December 1984	17.5 °C	585 mm	40	0
1983	35.5 °C25 July 1983	-1.5 °C19 February 1983	17.5 °C	545 mm	34	1
1982	37.4 °C26 June 1982	1.0 °C3 February 1982	17.7 °C	602 mm	66	0
1981	36.4 °C4 August 1981	1.8 °C29 January 1981	17.8 °C	858 mm	50	0
1980	34.8 °C11 July 1980	3.1 °C27 February 1980	17.2 °C	714 mm	38	0
1979	36.1 °C3 August 1979	0.7 °C3 January 1979	17.7 °C	846 mm	52	0
1978	35.8 °C13 July 1978	1.7 °C10 January 1978	17.2 °C	851 mm	36	0
1977	34.9 °C9 July 1977	1.9 °C3 March 1977	17.9 °C	515 mm	62	0
1976	31.4 °C3 July 1976	0.1 °C20 January 1976	17.0 °C	964 mm	18	0
1975	34.6 °C19 July 1975	1.3 °C10 February 1975	17.3 °C	704 mm	38	0
1974	37.2 °C16 July 1974	3.3 °C17 January 1974	17.4 °C	868 mm	49	0
1973	39.4 °C19 July 1973	-0.2 °C15 January 1973	17.7 °C	930 mm	58	1
1972	35.3 °C31 July 1972	3.4 °C14 March 1972	17.2 °C	781 mm	40	0
1971	36.6 °C17 June 1971	2.8 °C14 March 1971	17.4 °C	1,053 mm	50	0
1970	35.4 °C9 August 1970	4.0 °C3 March 1970	17.8 °C	747 mm	61	0
1969	36.1 °C14 June 1969	2.9 °C22 January 1969	18.0 °C	836 mm	56	0
1968	38.8 °C10 July 1968	-1.1 °C15 January 1968	17.9 °C	916 mm	47	2
1967	36.9 °C7 August 1967	0.1 °C18 January 1967	17.7 °C	773 mm	57	0
1966	34.8 °C5 August 1966	-0.9 °C9 January 1966	17.8 °C	997 mm	52	1
1965	36.5 °C5 July 1965	2.0 °C4 February 1965	17.2 °C	910 mm	52	0
1964	33.9 °C15 August 1964	-1.2 °C18 January 1964	17.5 °C	652 mm	52	2
1963	37.7 °C17 August 1963	1.1 °C26 January 1963	18.1 °C	963 mm	69	0
1962	35.9 °C29 July 1962	2.9 °C8 February 1962	18.0 °C	930 mm	67	0
1961	35.5 °C11 August 1961	0.1 °C20 January 1961	17.8 °C	656 mm	50	0
1960	34.0 °C6 August 1960	1.8 °C3 February 1960	18.0 °C	789 mm	58	0
1959	34.0 °C12 August 1959	2.1 °C19 February 1959	16.9 °C	713 mm	31	0
1958	39.7 °C24 August 1958	4.0 °C27 January 1958	17.8 °C	710 mm	50	0
1957	39.2 °C14 August 1957	2.7 °C4 March 1957	17.6 °C	620 mm	44	0
1956	36.8 °C9 August 1956	0.1 °C9 February 1956	17.4 °C	809 mm	60	0
1955	34.2 °C23 July 1955	4.3 °C5 March 1955	17.9 °C	903 mm	34	0
1954	34.8 °C30 June 1954	1.6 °C25 February 1954	17.3 °C	1,081 mm	58	0
1953	36.0 °C25 July 1953	2.2 °C7 March 1953	17.5 °C	905 mm	75	0
1952	39.0 °C23 August 1952	2.4 °C9 January 1952	18.7 °C	918 mm	90	0
1951	38.6 °C11 August 1951	4.6 °C14 December 1951	18.2 °C	768 mm	70	0
1950	36.8 °C3 July 1950	-0.5 °C13 January 1950	18.5 °C	778 mm	90	2
1949	36.4 °C31 July 1949	0.5 °C5 February 1949	17.3 °C	619 mm	40	0
1948	35.7 °C10 August 1948	2.1 °C29 December 1948	17.5 °C	610 mm	58	0
1947	37.0 °C1 August 1947	2.9 °C24 January 1947	18.7 °C	797 mm	78	0
1946	37.7 °C31 July 1946	1.2 °C16 February 1946	18.3 °C	897 mm	92	0
1945	38.6 °C30 July 1945	-0.4 °C23 February 1945	17.5 °C	835 mm	75	2
1944	35.5 °C16 August 1944	2.4 °C19 January 1944	17.1 °C	754 mm	55	0
1943	36.5 °C22 July 1943	1.9 °C28 January 1943	17.8 °C	640 mm	73	0
1942	36.5 °C13 July 1942	-1.9 °C2 January 1942	17.5 °C	925 mm	66	3
1941	36.0 °C30 May 1941	0.3 °C30 December 1941	17.0 °C	681 mm	60	0
1940	34.4 °C16 July 1940	1.0 °C22 February 1940	17.3 °C	942 mm	51	0

Normals computed over complete calendar years 1940–2025.

A specific year

Pick a year and see how it compares to normal — warmer, drier or more extreme than usual?

Year

Across the whole year

Average daily high

23.2 °C

+1.4 °C

Hot days (≥ 30 °C)

95 d/yr

+33

Frost days (< 0 °C)

0 d/yr

Annual rainfall

856 mm

+119 mm

Month by month

	High	vs. normal	Precipitation	vs. normal
Jan	16.2 °C	+2.9 °C	129 mm	+7 mm
Feb	13.6 °C	-0.2 °C	97 mm	+3 mm
Mar	18.0 °C	+2.4 °C	47 mm	-28 mm
Apr	19.6 °C	+0.6 °C	29 mm	-17 mm
May	25.0 °C	+1.1 °C	14 mm	-9 mm
Jun	31.8 °C	+3.3 °C	4 mm	-5 mm
Jul	33.4 °C	+2.1 °C	0 mm	-4 mm
Aug	32.3 °C	+0.7 °C	2 mm	-4 mm
Sep	29.5 °C	+1.6 °C	41 mm	+13 mm
Oct	21.8 °C	-1.3 °C	137 mm	+60 mm
Nov	20.0 °C	+1.6 °C	242 mm	+117 mm
Dec	16.5 °C	+1.8 °C	115 mm	-15 mm

The year's extremes

Hottest day

40.1 °C

26 Jul 2025

Coldest day

4.7 °C

22 Feb 2025

Wettest day

77.5 mm

27 Nov 2025

Windiest day

32.9 km/h

3 Sep 2025

Strongest gust

64.1 km/h

28 Jul 2025

Hottest feels-like

43.2 °C

26 Jul 2025

Coldest feels-like

1.0 °C

22 Feb 2025

Sunniest day

14.3 h

18 Jun 2025

What was the weather like that day?

Your birthday, a wedding, a memorable trip: discover the actual weather for any date since 1940.

Date

Frequently asked questions

What is the climate of Gargaliánoi?

Gargaliánoi has a hot-summer mediterranean climate (Köppen Csa). Over 1940-2025, the average annual temperature is 17.9 °C and it receives 737 mm of precipitation per year.

What is the hottest day ever recorded in Gargaliánoi?

The hottest day measured in Gargaliánoi between 1940 and 2025 was 7 July 1988, reaching 42.4 °C.

What is the coldest day in Gargaliánoi?

The coldest day measured in Gargaliánoi between 1940 and 2025 was 7 March 1987, at -3.8 °C.

Does it snow in Gargaliánoi?

Yes. Gargaliánoi gets on average 1.1 cm of snow per year and has around 0 frost days.

Has the climate of Gargaliánoi warmed?

Yes: Gargaliánoi warmed by +1.1 °C between 1940 and 2025, a statistically significant trend.

What is the wettest day in Gargaliánoi?

The wettest day measured in Gargaliánoi between 1940 and 2025 was 24 November 2005, with 105 mm of rain in 24 hours.

What was the windiest day in Gargaliánoi?

The windiest day measured in Gargaliánoi between 1940 and 2025 was 17 March 2003, with winds reaching 51.1 km/h.

What is the warmest month in Gargaliánoi?

The warmest month in Gargaliánoi is August (26.5 °C on average); the coldest is January (10.5 °C).

How much does it rain in Gargaliánoi?

Gargaliánoi receives on average 737 mm of precipitation per year, spread over about 93 rainy days.

Is it sunny in Gargaliánoi?

Gargaliánoi gets on average 10.5 hours of sunshine per day, roughly 3,833 hours per year over 1940-2025.

What is the biggest single-day snowfall in Gargaliánoi?

The heaviest 24-hour snowfall measured in Gargaliánoi between 1940 and 2025 was 18 December 1940, with 3.9 cm.

Are there tropical nights in Gargaliánoi?

Yes: Gargaliánoi has on average 80 tropical nights per year (temperature staying above 20 °C), over 1940-2025.

What was the most extreme apparent temperature in Gargaliánoi?

In Gargaliánoi, between 1940 and 2025, the highest apparent temperature reached 44.7 °C on 7 July 1988, and the lowest was -7.7 °C on 7 March 1987.

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